Anterior parietals are broadly in contact in P. breitensteini but not or only barely in P. curtus (G.H. Rodda, pers. comm.).

Etymology

Named after Dr. Heinrich Breitenstein (1848-1930), a German physician who served with the Dutch East Indies army for 21 years. While in Borneo he collected herpetofauna that Steindachner purchased for Naturhistorisches Museum Wien.